APA (7. basım) Alıntı

SHELTOR, N., & BURTON, S. (1994). Assertiveness skills. Businnes One Irwin.

Chicago Style (17. basım) Atıf

SHELTOR, Nelda, ve Sharon BURTON. Assertiveness Skills. Burr Ridge: Businnes One Irwin, 1994.

MLA (9th ed.) Atıf

SHELTOR, Nelda, ve Sharon BURTON. Assertiveness Skills. Businnes One Irwin, 1994.